Our FULL Online Catalog - Grand Rock Truck Exhaust Systems
Our FULL Online Catalog - Grand Rock Truck Exhaust Systems
Our FULL Online Catalog - Grand Rock Truck Exhaust Systems
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MUFFLERS, CONVERTERS, & SHIELDS<br />
Catalytic Converter Mufflers<br />
1-800-321-3674<br />
www.grandrock.com<br />
Certified to Meet EPA Requirements<br />
<strong>Grand</strong> <strong>Rock</strong> converter mufflers are engineered to enable midrange<br />
engines to meet emission requirements of the EPA's<br />
Diesel Emissions Standards. The catalytic core within the<br />
muffler reduces gaseous hydrocarbons, carbon monoxide,<br />
and particulates, while at the same time reducing exhaust<br />
noise to 67-72 dBA at 50 feet per the EPA drive-by noise test<br />
(levels will vary depending on system configuration).<br />
50<br />
Same package size as<br />
equivalent mufflers<br />
Only 10 to 15 pounds heavier<br />
than equivalent mufflers<br />
409 Stainless steel<br />
Internal design for even<br />
exhaust flow distribution<br />
Part No. Style inlet id outlet id<br />
inlet<br />
position<br />
outlet<br />
position<br />
inlet<br />
offset<br />
outlet<br />
offset<br />
cross<br />
section<br />
shell<br />
length<br />
overall<br />
length<br />
M-395CT 1 4" 4" 0 0 0 0 10" 43" 50.5"<br />
Style/Type Description - CENTER TO CENTER<br />
Application/Description - 1988 & Newer Bluebird School Bus with 5.9L B Series Cummins Engine<br />
M-355CT 1 4" 4" 0 0 0 0 11" 36" 41"<br />
Style/Type Description - CENTER TO CENTER<br />
Application/Description - 1995 & Newer Ford School Bus with 5.9L B Series Cummins Engine<br />
1994 & Newer GMC School Bus with 3116 & 3126 Caterpillar Engine<br />
M-580CT 2 3.5" 4" 6 12 2.75" 2.75" 8.25" x 11.5" 29.5" 36.5"<br />
Style/Type Description - OFFSET TO OFFSET<br />
Application/Description - 2005 & Newer CE International with DT466 Engine<br />
M-675CT 1 3" 4" 0 0 0 0 8" 28" 34"<br />
Style/Type Description - CENTER TO CENTER<br />
Application/Description - 1998 & Newer Freightliner School Bus with 5.9L B Series Cummins Engine<br />
M-213CT 1 4" 4" 0 0 0 0 10" 43" 50.5"<br />
Style/Type Description - CENTER TO CENTER<br />
Application/Description - 2001 & Newer Bluebird School Bus with Caterpillar C-7 3126 Engine<br />
M-578CT 2 3.5" 4" 6 12 2.75" 2.75" 8.25" x 11" 29.5" 36.5"<br />
Style/Type Description - OFFSET TO OFFSET<br />
Application/Description - 1989 & Newer International School Bus with DT360<br />
M-647CT 2 4" 4" 12 6 2.5" 2.5" 11" 32" 38"<br />
Style/Type Description - OFFSET TO OFFSET<br />
Application/Description - 1992 & Newer Ford School Bus with Cummins C Series Engine, International School Bus with 3126 Caterpillar Engine<br />
M-657CT 4 4" 4" 12 0 4" 0 11" 42" 45"<br />
Style/Type Description - OFFSET TO OFFSET<br />
Application/Description - 1994 & Newer Bluebird & Thomas School Bus with Caterpillar 3116 Engine<br />
M-581CT 2 4" 4" 12 6 2.5" 2.5" 11" 36" 44"<br />
Style/Type Description - OFFSET TO OFFSET<br />
Application/Description - 1996 & Newer Ford School Bus with 3116 Caterpillar Engine & Cummins B Series Engine, International School Bus with<br />
3116 Caterpillar Engine<br />
M-582CT 4A 3.5" 4" 12/90° elbow 3 2.5" 2.75" 8.25" x 11" 32" 38"<br />
Style/Type Description - SIDE INLET, END OUTLET<br />
Application/Description - 2004 & Newer International School Bus with VT365 Rear Engine
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